Centor Score (Modified/McIsaac)

Assess the likelihood of streptococcal pharyngitis and guide antibiotic prescribing.

Clinical Criteria

Tonsillar exudate or swelling (+1)

Tender/swollen anterior cervical lymph nodes (+1)

Fever (history or temperature >38°C) (+1)

Absence of cough (+1)

Age Group (McIsaac Modification)

The McIsaac modification adjusts the score based on patient age.

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